/Engine/Source/Runtime/InteractiveToolsFramework/Public/BaseGizmos/TransformProxy.h
The internal shared transform is regenerated each time a component is added
virtual void AddComponentCustom ( [USceneComponent](API\Runtime\Engine\Components\USceneComponent) * Component, [TUniqueFunction](API\Runtime\Core\Templates\TUniqueFunction)< FTransform(void)> GetTransformFunc, [TUniqueFunction](API\Runtime\Core\Templates\TUniqueFunction)< void(const FTransform &)> SetTransformFunc, int64 UserDefinedIndex, bool bModifyComponentOnTransform )